package cn.kgc.tangcco.anyang.intercepter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class LoginInterceper implements HandlerInterceptor{

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
		if (request.getSession().getAttribute("uuid") == null || StringUtils.isEmpty(request.getSession().getAttribute("uuid").toString())) {
			response.sendRedirect(request.getContextPath() + "/login.jsp");
			return false;
		}
		return HandlerInterceptor.super.preHandle(request, response, handler);
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
	}

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
	}

}
